--- loncom/homework/grades.pm	2020/05/08 14:56:53	1.768
+++ loncom/homework/grades.pm	2020/08/30 20:30:21	1.773
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.768 2020/05/08 14:56:53 raeburn Exp $
+# $Id: grades.pm,v 1.773 2020/08/30 20:30:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -147,7 +147,7 @@ sub nameUserString {
 }
 
 #--- Get the partlist and the response type for a given problem. ---
-#--- Indicate if a response type is coded handgraded or not. ---
+#--- Count responseIDs, essayresponse items, and dropbox items ---
 #--- Sets response_error pointer to "1" if navmaps object broken ---
 sub response_type {
     my ($symb,$response_error) = @_;
@@ -165,6 +165,7 @@ sub response_type {
         return;
     }
     my $partlist = $res->parts();
+    my ($numresp,$numessay,$numdropbox) = (0,0,0);
     my %vPart = 
 	map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart'));
     my (%response_types,%handgrade);
@@ -174,13 +175,20 @@ sub response_type {
 	my @types = $res->responseType($part);
 	my @ids = $res->responseIds($part);
 	for (my $i=0; $i < scalar(@ids); $i++) {
+            $numresp ++;
 	    $response_types{$part}{$ids[$i]} = $types[$i];
+            if ($types[$i] eq 'essay') {
+                $numessay ++;
+                if (&Apache::lonnet::EXT("resource.$part".'_'.$ids[$i].".uploadedfiletypes",$symb)) {
+                    $numdropbox ++;
+                }
+            }
 	    $handgrade{$part.'_'.$ids[$i]} = 
 		&Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i].
 				     '.handgrade',$symb);
 	}
     }
-    return ($partlist,\%handgrade,\%response_types);
+    return ($partlist,\%handgrade,\%response_types,$numresp,$numessay,$numdropbox);
 }
 
 sub flatten_responseType {
@@ -207,6 +215,118 @@ sub get_display_part {
     return $display;
 }
 
+#--- Show parts and response type
+sub showResourceInfo {
+    my ($symb,$partlist,$responseType,$formname,$checkboxes,$uploads) = @_;
+    unless ((ref($partlist) eq 'ARRAY') && (ref($responseType) eq 'HASH')) {
+        return '<br clear="all">';
+    }
+    my $coltitle = &mt('Problem Part Shown');
+    if ($checkboxes) {
+        $coltitle = &mt('Problem Part');
+    } else {
+        my $checkedparts = 0;
+        foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
+            if (grep(/^\Q$partid\E$/,@{$partlist})) {
+                $checkedparts ++;
+            }
+        }
+        if ($checkedparts == scalar(@{$partlist})) {
+            return '<br clear="all">';
+        }
+        if ($uploads) {
+            $coltitle = &mt('Problem Part Selected');
+        }
+    }
+    my $result = '<div class="LC_left_float" style="display:inline-block;">';
+    if ($checkboxes) {
+        my $legend = &mt('Parts to display');
+        if ($uploads) {
+            $legend = &mt('Part(s) with dropbox');
+        }
+        $result .= '<fieldset style="display:inline-block;"><legend>'.$legend.'</legend>'.
+                   '<span class="LC_nobreak">'.
+                   '<label><input type="radio" name="chooseparts" value="0" onclick="toggleParts('."'$formname'".');" checked="checked" />'.
+                   &mt('All parts').'</label>'.('&nbsp;'x2).
+                   '<label><input type="radio" name="chooseparts" value="1" onclick="toggleParts('."'$formname'".');" />'.
+                   &mt('Selected parts').'</label></span>'.
+                   '<div id="LC_partselector" style="display:none">';
+    }
+    $result .= &Apache::loncommon::start_data_table()
+              .&Apache::loncommon::start_data_table_header_row();
+    if ($checkboxes) {
+        $result .= '<th>'.&mt('Display?').'</th>';
+    }
+    $result .= '<th>'.$coltitle.'</th>'
+              .'<th>'.&mt('Res. ID').'</th>'
+              .'<th>'.&mt('Type').'</th>'
+              .&Apache::loncommon::end_data_table_header_row();
+    my %partsseen;
+    foreach my $partID (sort(keys(%$responseType))) {
+        foreach my $resID (sort(keys(%{ $responseType->{$partID} }))) {
+            my $responsetype = $responseType->{$partID}->{$resID};
+            if ($uploads) {
+                next unless ($responsetype eq 'essay');
+                next unless (&Apache::lonnet::EXT("resource.$partID".'_'."$resID.uploadedfiletypes",$symb));
+            }
+            my $display_part=&get_display_part($partID,$symb);
+            if (exists($partsseen{$partID})) {
+                $result.=&Apache::loncommon::continue_data_table_row();
+            } else {
+                $partsseen{$partID}=scalar(keys(%{$responseType->{$partID}}));
+                $result.=&Apache::loncommon::start_data_table_row().
+                         '<td rowspan="'.$partsseen{$partID}.'" style="vertical-align:middle">';
+                if ($checkboxes) {
+                    $result.='<input type="checkbox" name="vPart" checked="checked" value="'.$partID.'" /></td>'.
+                             '<td rowspan="'.$partsseen{$partID}.'" style="vertical-align:middle">'.$display_part.'</td>';
+                } else {
+                    $result.=$display_part.'</td>';
+                }
+            }
+            $result.='<td>'.'<span class="LC_internal_info">'.$resID.'</span></td>'
+                    .'<td>'.&mt($responsetype).'</td>'
+                    .&Apache::loncommon::end_data_table_row();
+        }
+    }
+    $result.=&Apache::loncommon::end_data_table();
+    if ($checkboxes) {
+        $result .= '</div></fieldset>';
+    }
+    $result .= '</div><div style="padding:0;clear:both;margin:0;border:0"></div>';
+    return $result;
+}
+
+sub part_selector_js {
+    my $js = <<"END";
+function toggleParts(formname) {
+    if (document.getElementById('LC_partselector')) {
+        var index = '';
+        if (document.forms.length) {
+            for (var i=0; i<document.forms.length; i++) {
+                if (document.forms[i].name == formname) {
+                    index = i;
+                    break;
+                }
+            }
+        }
+        if ((index != '') && (document.forms[index].elements['chooseparts'].length > 1)) {
+            for (var i=0; i<document.forms[index].elements['chooseparts'].length; i++) {
+                if (document.forms[index].elements['chooseparts'][i].checked) {
+                   var val = document.forms[index].elements['chooseparts'][i].value;
+                    if (document.forms[index].elements['chooseparts'][i].value == 1) {
+                        document.getElementById('LC_partselector').style.display = 'block';
+                    } else {
+                        document.getElementById('LC_partselector').style.display = 'none';
+                    }
+                }
+            }
+        }
+    }
+}
+END
+    return &Apache::lonhtmlcommon::scripttag($js);
+}
+
 sub reset_caches {
     &reset_analyze_cache();
     &reset_perm();
@@ -538,7 +658,7 @@ sub getclasslist {
         $cdom = $env{"course.$env{'request.course.id'}.domain"};
         $cnum = $env{"course.$env{'request.course.id'}.num"};
         my $res_error;
-        ($partlist,my $handgrade,my $responseType) = &response_type($symb,\$res_error);
+        ($partlist) = &response_type($symb,\$res_error);
     }
     foreach my $student (keys(%$classlist)) {
         my $end      = 
@@ -908,7 +1028,7 @@ sub verifyreceipt {
 #--- Also called directly when one clicks on the subm button 
 #    on the problem page.
 sub listStudents {
-    my ($request,$symb,$submitonly) = @_;
+    my ($request,$symb,$submitonly,$divforres) = @_;
 
     my $is_tool   = ($symb =~ /ext\.tool$/);
     my $cdom      = $env{"course.$env{'request.course.id'}.domain"};
@@ -921,7 +1041,18 @@ sub listStudents {
 
     my $result='';
     my $res_error;
-    my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay) = &response_type($symb,\$res_error);
+
+    my $table;
+    if (ref($partlist) eq 'ARRAY') {
+        if (scalar(@$partlist) > 1 ) {
+            $table = &showResourceInfo($symb,$partlist,$responseType,'gradesub',1);
+        } elsif ($divforres) {
+            $table = '<div style="padding:0;clear:both;margin:0;border:0"></div>';
+        } else {
+            $table = '<br clear="all" />';
+        }
+    }
 
     my %js_lt = &Apache::lonlocal::texthash (
 		'multiple' => 'Please select a student or group of students before clicking on the Next button.',
@@ -963,8 +1094,8 @@ LISTJAVASCRIPT
     $request->print($result);
 
     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'.
-	"\n";
-	
+	"\n".$table;
+
     $gradeTable .= &Apache::lonhtmlcommon::start_pick_box();
     unless ($is_tool) {
         $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('View Problem Text'))
@@ -979,7 +1110,6 @@ LISTJAVASCRIPT
                       .&Apache::lonhtmlcommon::row_closure();
     }
 
-    my $submission_options;
     my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
     my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status;
     $env{'form.Status'} = $saveStatus;
@@ -999,7 +1129,7 @@ LISTJAVASCRIPT
                           all      => 'all submissions with details',
                       );
     }
-    $submission_options.=
+    my $submission_options =
         '<span class="LC_nobreak">'.
         '<label><input type="radio" name="lastSub" value="lastonly" /> '.
         $optiontext{'lastonly'}.' </label></span>'."\n".
@@ -1018,48 +1148,50 @@ LISTJAVASCRIPT
     } else {
         $viewtitle = &mt('View Submissions');
     }
+    my ($compmsg,$nocompmsg);
+    $nocompmsg = ' checked="checked"';
+    if ($numessay) {
+        $compmsg = $nocompmsg;
+        $nocompmsg = '';
+    }
     $gradeTable .= &Apache::lonhtmlcommon::row_title($viewtitle)
                   .$submission_options
+                  .&Apache::lonhtmlcommon::row_closure()
+                  .&Apache::lonhtmlcommon::row_title(&mt('Send Messages'))
+                  .'<span class="LC_nobreak">'
+                  .'<label><input type="radio" name="compmsg" value="0"'.$nocompmsg.' />'
+                  .&mt('No').('&nbsp;'x2).'</label>'
+                  .'<label><input type="radio" name="compmsg" value="1"'.$compmsg.' />'
+                  .&mt('Yes').('&nbsp;'x2).'</label>'
                   .&Apache::lonhtmlcommon::row_closure();
 
-    my $closure;
-    if (($is_tool) && (exists($env{'form.Status'}))) {
-        $closure = 1;
-    }
     $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Grading Increments'))
                   .'<select name="increment">'
                   .'<option value="1">'.&mt('Whole Points').'</option>'
                   .'<option value=".5">'.&mt('Half Points').'</option>'
                   .'<option value=".25">'.&mt('Quarter Points').'</option>'
                   .'<option value=".1">'.&mt('Tenths of a Point').'</option>'
-                  .'</select>'
-                  .&Apache::lonhtmlcommon::row_closure($closure);
-
+                  .'</select>';
     $gradeTable .= 
         &build_section_inputs().
 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
 	'<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n".
 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
-
     if (exists($env{'form.Status'})) {
 	$gradeTable .= '<input type="hidden" name="Status" value="'.$stu_status.'" />'."\n";
     } else {
-        if ($is_tool) {
-            $closure = 1;
-        }
-        $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Student Status'))
+        $gradeTable .= &Apache::lonhtmlcommon::row_closure()
+                      .&Apache::lonhtmlcommon::row_title(&mt('Student Status'))
                       .&Apache::lonhtmlcommon::StatusOptions(
-                           $saveStatus,undef,1,'javascript:reLoadList(this.form);')
-                      .&Apache::lonhtmlcommon::row_closure($closure);
+                           $saveStatus,undef,1,'javascript:reLoadList(this.form);');
     }
-
-    unless ($is_tool) {
-        $closure = 1;
-        $gradeTable .= &Apache::lonhtmlcommon::row_title(&mt('Check For Plagiarism'))
-                      .'<input type="checkbox" name="checkPlag" checked="checked" />'
-                      .&Apache::lonhtmlcommon::row_closure($closure);
+    if ($numessay) {
+        $gradeTable .= &Apache::lonhtmlcommon::row_closure()
+                      .&Apache::lonhtmlcommon::row_title(&mt('Check For Plagiarism'))
+                      .'<input type="checkbox" name="checkPlag" checked="checked" />';
     }
-    $gradeTable .= &Apache::lonhtmlcommon::end_pick_box();
+    $gradeTable .= &Apache::lonhtmlcommon::row_closure(1)
+                  .&Apache::lonhtmlcommon::end_pick_box();
     my $regrademsg;
     if ($is_tool) {
         $regrademsg =&mt("To view/grade/regrade, click on the check box(es) next to the student's name(s). Then click on the Next button.");
@@ -1447,8 +1579,8 @@ sub sub_page_js {
 SUBJAVASCRIPT
 }
 
-#--- javascript for essay type problem --
-sub sub_page_kw_js {
+#--- javascript for grading message center
+sub sub_grademessage_js {
     my $request = shift;
     my $iconpath = $request->dir_config('lonIconsURL');
     &commonJSfunctions($request);
@@ -1494,55 +1626,17 @@ sub sub_page_kw_js {
 </script>
 INNERJS
 
-    my $inner_js_highlight_central= (<<INNERJS);
-<script type="text/javascript">
-    function updateChoice(flag) {
-      opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);
-      opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);
-      opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);
-      opener.document.SCORE.refresh.value = "on";
-      if (opener.document.SCORE.keywords.value!=""){
-         opener.document.SCORE.submit();
-      }
-      self.close()
-    }
-</script>
-INNERJS
-
-    my $start_page_msg_central = 
+    my $start_page_msg_central =
         &Apache::loncommon::start_page('Message Central',$inner_js_msg_central,
 				       {'js_ready'  => 1,
 					'only_body' => 1,
 					'bgcolor'   =>'#FFFFFF',});
-    my $end_page_msg_central = 
-	&Apache::loncommon::end_page({'js_ready' => 1});
-
-
-    my $start_page_highlight_central = 
-        &Apache::loncommon::start_page('Highlight Central',
-				       $inner_js_highlight_central,
-				       {'js_ready'  => 1,
-					'only_body' => 1,
-					'bgcolor'   =>'#FFFFFF',});
-    my $end_page_highlight_central = 
+    my $end_page_msg_central =
 	&Apache::loncommon::end_page({'js_ready' => 1});
 
     my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
     $docopen=~s/^document\.//;
-    my %js_lt = &Apache::lonlocal::texthash(
-                keyw => 'Keywords list, separated by a space. Add/delete to list if desired.',
-                plse => 'Please select a word or group of words from document and then click this link.',
-                adds => 'Add selection to keyword list? Edit if desired.',
-                col1 => 'red',
-                col2 => 'green',
-                col3 => 'blue',
-                siz1 => 'normal',
-                siz2 => '+1',
-                siz3 => '+2',
-                sty1 => 'normal',
-                sty2 => 'italic',
-                sty3 => 'bold',
-             );
+
     my %html_js_lt = &Apache::lonlocal::texthash(
                 comp => 'Compose Message for: ',
                 incl => 'Include',
@@ -1552,29 +1646,11 @@ INNERJS
                 new  => 'New',
                 save => 'Save',
                 canc => 'Cancel',
-                kehi => 'Keyword Highlight Options',
-                txtc => 'Text Color',
-                font => 'Font Size',
-                fnst => 'Font Style',
              );
-    &js_escape(\%js_lt);
     &html_escape(\%html_js_lt);
     &js_escape(\%html_js_lt);
     $request->print(&Apache::lonhtmlcommon::scripttag(<<SUBJAVASCRIPT));
 
-//===================== Show list of keywords ====================
-  function keywords(formname) {
-    var nret = prompt("$js_lt{'keyw'}",formname.keywords.value);
-    if (nret==null) return;
-    formname.keywords.value = nret;
-
-    if (formname.keywords.value != "") {
-	formname.refresh.value = "on";
-	formname.submit();
-    }
-    return;
-  }
-
 //===================== Script to view submitted by ==================
   function viewSubmitter(submitter) {
     document.SCORE.refresh.value = "on";
@@ -1584,26 +1660,6 @@ INNERJS
     return;
   }
 
-//===================== Script to add keyword(s) ==================
-  function getSel() {
-    if (document.getSelection) txt = document.getSelection();
-    else if (document.selection) txt = document.selection.createRange().text;
-    else return;
-    var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
-    if (cleantxt=="") {
-	alert("$js_lt{'plse'}");
-	return;
-    }
-    var nret = prompt("$js_lt{'adds'}",cleantxt);
-    if (nret==null) return;
-    document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
-    if (document.SCORE.keywords.value != "") {
-	document.SCORE.refresh.value = "on";
-	document.SCORE.submit();
-    }
-    return;
-  }
-
 //====================== Script for composing message ==============
    // preload images
    img1 = new Image();
@@ -1714,6 +1770,107 @@ INNERJS
     pDoc.close();
 }
 
+SUBJAVASCRIPT
+}
+
+#--- javascript for essay type problem --
+sub sub_page_kw_js {
+    my $request = shift;
+
+    unless ($env{'form.compmsg'}) {
+        &commonJSfunctions($request);
+    }
+
+    my $inner_js_highlight_central= (<<INNERJS);
+<script type="text/javascript">
+    function updateChoice(flag) {
+      opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);
+      opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);
+      opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);
+      opener.document.SCORE.refresh.value = "on";
+      if (opener.document.SCORE.keywords.value!=""){
+         opener.document.SCORE.submit();
+      }
+      self.close()
+    }
+</script>
+INNERJS
+
+    my $start_page_highlight_central =
+        &Apache::loncommon::start_page('Highlight Central',
+                                       $inner_js_highlight_central,
+                                       {'js_ready'  => 1,
+                                        'only_body' => 1,
+                                        'bgcolor'   =>'#FFFFFF',});
+    my $end_page_highlight_central =
+        &Apache::loncommon::end_page({'js_ready' => 1});
+
+    my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
+    $docopen=~s/^document\.//;
+
+    my %js_lt = &Apache::lonlocal::texthash(
+                keyw => 'Keywords list, separated by a space. Add/delete to list if desired.',
+                plse => 'Please select a word or group of words from document and then click this link.',
+                adds => 'Add selection to keyword list? Edit if desired.',
+                col1 => 'red',
+                col2 => 'green',
+                col3 => 'blue',
+                siz1 => 'normal',
+                siz2 => '+1',
+                siz3 => '+2',
+                sty1 => 'normal',
+                sty2 => 'italic',
+                sty3 => 'bold',
+             );
+    my %html_js_lt = &Apache::lonlocal::texthash(
+                save => 'Save',
+                canc => 'Cancel',
+                kehi => 'Keyword Highlight Options',
+                txtc => 'Text Color',
+                font => 'Font Size',
+                fnst => 'Font Style',
+             );
+    &js_escape(\%js_lt);
+    &html_escape(\%html_js_lt);
+    &js_escape(\%html_js_lt);
+    $request->print(&Apache::lonhtmlcommon::scripttag(<<SUBJAVASCRIPT));
+
+//===================== Show list of keywords ====================
+  function keywords(formname) {
+    var nret = prompt("$js_lt{'keyw'}",formname.keywords.value);
+    if (nret==null) return;
+    formname.keywords.value = nret;
+
+    if (formname.keywords.value != "") {
+        formname.refresh.value = "on";
+        formname.submit();
+    }
+    return;
+  }
+
+//===================== Script to add keyword(s) ==================
+  function getSel() {
+    if (document.getSelection) txt = document.getSelection();
+    else if (document.selection) txt = document.selection.createRange().text;
+    else return;
+    if (typeof(txt) != 'string') {
+        txt = String(txt);
+    }
+    var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
+    if (cleantxt=="") {
+        alert("$js_lt{'plse'}");
+        return;
+    }
+    var nret = prompt("$js_lt{'adds'}",cleantxt);
+    if (nret==null) return;
+    document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
+    if (document.SCORE.keywords.value != "") {
+        document.SCORE.refresh.value = "on";
+        document.SCORE.submit();
+    }
+    return;
+  }
+
 //====================== Script for keyword highlight options ==============
   function kwhighlight() {
     var kwclr    = document.SCORE.kwclr.value;
@@ -1904,7 +2061,8 @@ sub gradeBox {
 
 sub handback_box {
     my ($symb,$uname,$udom,$counter,$partid,$record,$res_error_pointer) = @_;
-    my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error_pointer);
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay) = &response_type($symb,$res_error_pointer);
+    return unless ($numessay);
     my (@respids);
     my @part_response_id = &flatten_responseType($responseType);
     foreach my $part_response_id (@part_response_id) {
@@ -2046,33 +2204,23 @@ sub download_all_link {
 sub submit_download_link {
     my ($request,$symb) = @_;
     if (!$symb) { return ''; }
-#FIXME: Figure out which type of problem this is and provide appropriate download
     my $res_error;
-    my ($partlist,$handgrade,$responseType) = &response_type($symb,$res_error);
-    if (ref($res_error)) {
-        if ($$res_error) {
-            $request->print(&mt('An error occurred retrieving response types'));
-            return;
-        }
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay,$numdropbox) =
+        &response_type($symb,\$res_error);
+    if ($res_error) {
+        $request->print(&mt('An error occurred retrieving response types'));
+        return;
     }
-    my ($numupload,$numessay) = (0,0);
-    if (ref($responseType) eq 'HASH') {
-        foreach my $part (sort(keys(%$responseType))) {
-            foreach my $id (sort(keys(%{ $responseType->{$part} }))) {
-                my $responsetype = $responseType->{$part}->{$id};
-                if ($responsetype eq 'essay') {
-                    my $uploadedfiletypes =
-                        &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes",$symb);
-                    if ($uploadedfiletypes) {
-                        $numupload++;
-                    } else {
-                        $numessay++;
-                    }
-                }
-            }
-        }
+    unless ($numessay) {
+        $request->print(&mt('No essayresponse items found'));
+        return;
+    }
+    my @chosenparts = &Apache::loncommon::get_env_multiple('form.vPart');
+    if (@chosenparts) {
+        $request->print(&showResourceInfo($symb,$partlist,$responseType,
+                                          undef,undef,1));
     }
-    if (($numupload) || ($numessay)) {
+    if ($numessay) {
         my $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'};
         my $getsec    = $env{'form.section'} eq '' ? 'all' : $env{'form.section'};
         my $getgroup  = $env{'form.group'} eq '' ? 'all' : $env{'form.group'};
@@ -2081,10 +2229,12 @@ sub submit_download_link {
             my @students = map { $_.':'.$fullname->{$_} } (keys(%{$fullname}));
             if (@students) {
                 @{$env{'form.stuinfo'}} = @students;
-                if ($numupload) {
+                if ($numdropbox) {
                     &download_all_link($request,$symb);
+                } else {
+                    $request->print(&mt('No essayrespose items with dropbox found'));
                 }
-# FIXME Need to provide a mechanism to download essays, i.e., if $numessay > 0
+# FIXME Need a mechanism to download essays, i.e., if $numessay > $numdropbox
 # Needs to omit user's identity if resource instance is for an anonymous survey.
             } else {
                 $request->print(&mt('No students match the criteria you selected'));
@@ -2113,14 +2263,14 @@ sub build_section_inputs {
 
 # --------------------------- show submissions of a student, option to grade 
 sub submission {
-    my ($request,$counter,$total,$symb) = @_;
+    my ($request,$counter,$total,$symb,$divforres,$calledby) = @_;
     my ($uname,$udom)     = ($env{'form.student'},$env{'form.userdom'});
     $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student?
     my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'});
     $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq '';
 
-    my $probtitle=&Apache::lonnet::gettitle($symb); 
     if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; }
+    my $probtitle=&Apache::lonnet::gettitle($symb);
     my $is_tool = ($symb =~ /ext\.tool$/);
     my ($essayurl,%coursedesc_by_cid);
 
@@ -2134,11 +2284,22 @@ sub submission {
 	return;
     }
 
+    my $res_error;
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay) =
+        &response_type($symb,\$res_error);
+    if ($res_error) {
+        $request->print(&navmap_errormsg());
+        return;
+    }
+
     if (!$env{'form.lastSub'}) { $env{'form.lastSub'} = 'datesub'; }
     unless ($is_tool) { 
         if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; }
         if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; }
     }
+    if (($numessay) && ($calledby eq 'submission') && (!exists($env{'form.compmsg'}))) {
+        $env{'form.compmsg'} = 1;
+    }
     my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : '');
     my $checkIcon = '<img alt="'.&mt('Check Mark').
 	'" src="'.$request->dir_config('lonIconsURL').
@@ -2146,8 +2307,17 @@ sub submission {
 
     # header info
     if ($counter == 0) {
+        my @chosenparts = &Apache::loncommon::get_env_multiple('form.vPart');
+        if (@chosenparts) {
+            $request->print(&showResourceInfo($symb,$partlist,$responseType,'gradesub'));
+        } elsif ($divforres) {
+            $request->print('<div style="padding:0;clear:both;margin:0;border:0"></div>');
+        } else {
+            $request->print('<br clear="all" />');
+        }
 	&sub_page_js($request);
-	&sub_page_kw_js($request);
+        &sub_grademessage_js($request) if ($env{'form.compmsg'});
+	&sub_page_kw_js($request) if ($numessay);
 
 	# option to display problem, only once else it cause problems 
         # with the form later since the problem has a form.
@@ -2164,24 +2334,27 @@ sub submission {
 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode));
 	}
 
-	# kwclr is the only variable that is guaranteed not to be blank 
-        # if this subroutine has been called once.
 	my %keyhash = ();
-#	if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') {
-        if (1) {
+	if (($env{'form.kwclr'} eq '' && $numessay) || ($env{'form.compmsg'})) {
 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
 					     $env{'course.'.$env{'request.course.id'}.'.domain'},
 					     $env{'course.'.$env{'request.course.id'}.'.num'});
-
+	}
+	# kwclr is the only variable that is guaranteed not to be blank
+	# if this subroutine has been called once.
+	if ($env{'form.kwclr'} eq '' && $numessay) {
 	    my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
 	    $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
 	    $env{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
 	    $env{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
 	    $env{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
-	    $env{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
+	}
+	if ($env{'form.compmsg'}) {
+	    $env{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ?
 		$keyhash{$symb.'_subject'} : $probtitle;
 	    $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
 	}
+
 	my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'};
 	my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status'));
 	$request->print('<form action="/adm/grades" method="post" name="SCORE" enctype="multipart/form-data">'."\n".
@@ -2195,24 +2368,23 @@ sub submission {
 			'<input type="hidden" name="vProb"      value="'.$env{'form.vProb'}.'" />'."\n".
 			'<input type="hidden" name="vAns"       value="'.$env{'form.vAns'}.'" />'."\n".
 			'<input type="hidden" name="lastSub"    value="'.$env{'form.lastSub'}.'" />'."\n".
+			'<input type="hidden" name="compmsg"    value="'.$env{'form.compmsg'}.'" />'."\n".
 			&build_section_inputs().
 			'<input type="hidden" name="submitonly" value="'.$env{'form.submitonly'}.'" />'."\n".
 			'<input type="hidden" name="NCT"'.
 			' value="'.($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : $total+1).'" />'."\n");
-#	if ($env{'form.handgrade'} eq 'yes') {
-        if (1) {
+	if ($env{'form.compmsg'}) {
+	    $request->print('<input type="hidden" name="msgsub"   value="'.$env{'form.msgsub'}.'" />'."\n".
+			    '<input type="hidden" name="shownSub" value="0" />'."\n".
+			    '<input type="hidden" name="savemsgN" value="'.$env{'form.savemsgN'}.'" />'."\n");
+	}
+	if ($numessay) {
 	    $request->print('<input type="hidden" name="keywords" value="'.$env{'form.keywords'}.'" />'."\n".
 			    '<input type="hidden" name="kwclr"    value="'.$env{'form.kwclr'}.'" />'."\n".
 			    '<input type="hidden" name="kwsize"   value="'.$env{'form.kwsize'}.'" />'."\n".
-			    '<input type="hidden" name="kwstyle"  value="'.$env{'form.kwstyle'}.'" />'."\n".
-			    '<input type="hidden" name="msgsub"   value="'.$env{'form.msgsub'}.'" />'."\n".
-			    '<input type="hidden" name="shownSub" value="0" />'."\n".
-			    '<input type="hidden" name="savemsgN" value="'.$env{'form.savemsgN'}.'" />'."\n");
-	    foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) {
-		$request->print('<input type="hidden" name="vPart" value="'.$partid.'" />'."\n");
-	    }
+			    '<input type="hidden" name="kwstyle"  value="'.$env{'form.kwstyle'}.'" />'."\n");
 	}
-	
+
 	my ($cts,$prnmsg) = (1,'');
 	while ($cts <= $env{'form.savemsgN'}) {
 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
@@ -2225,8 +2397,7 @@ sub submission {
 	}
 	$request->print($prnmsg);
 
-#	if ($env{'form.handgrade'} eq 'yes') {
-        unless ($is_tool) {
+	if ($numessay) {
 
             my %lt = &Apache::lonlocal::texthash(
                           keyh => 'Keyword Highlighting for Essays',
@@ -2234,7 +2405,7 @@ sub submission {
                           list => 'List',
                           past => 'Paste Selection to List',
                           high => 'Highlight Attribute',
-                     );    
+                     );
 #
 # Print out the keyword options line
 #
@@ -2314,12 +2485,6 @@ sub submission {
     }
 
     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
-    my $res_error;
-    my ($partlist,$handgrade,$responseType) = &response_type($symb,\$res_error);
-    if ($res_error) {
-        $request->print(&navmap_errormsg());
-        return;
-    }
 
     # Display student info
     $request->print(($counter == 0 ? '' : '<br />'));
@@ -2332,34 +2497,31 @@ sub submission {
               .'<h3 class="LC_hcell">'.$boxtitle.'</h3>';
     $result.='<input type="hidden" name="name'.$counter.
              '" value="'.$env{'form.fullname'}.'" />'."\n";
-#    if ($env{'form.handgrade'} eq 'no') {
-    unless ($is_tool) {
+    if (($numresp > $numessay) && !$is_tool) {
         $result.='<p class="LC_info">'
                 .&mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)
                 ."</p>\n";
     }
 
-    # If any part of the problem is an essay-response (handgraded), then check for collaborators
+    # If any part of the problem is an essayresponse, then check for collaborators
     my $fullname;
     my $col_fullnames = [];
-#    if ($env{'form.handgrade'} eq 'yes') {
-    unless ($is_tool) {
+    if ($numessay) {
 	(my $sub_result,$fullname,$col_fullnames)=
 	    &check_collaborators($symb,$uname,$udom,\%record,$handgrade,
 				 $counter);
 	$result.=$sub_result;
     }
     $request->print($result."\n");
-    
+
     # print student answer/submission
-    # Options are (1) Handgraded submission only
-    #             (2) Last submission, includes submission that is not handgraded 
-    #                  (for multi-response type part)
-    #             (3) Last submission plus the parts info
-    #             (4) The whole record for this student
-    
+    # Options are (1) Last submission only
+    #             (2) Last submission (with detailed information for that submission)
+    #             (3) All transactions (by date)
+    #             (4) The whole record (with detailed information for all transactions)
+
     my ($string,$timestamp)= &get_last_submission(\%record,$is_tool);
-	
+
     my $lastsubonly;
 
     if ($$timestamp eq '') {
@@ -2376,9 +2538,6 @@ sub submission {
 	my %seenparts;
 	my @part_response_id = &flatten_responseType($responseType);
 	foreach my $part (@part_response_id) {
-	    next if ($env{'form.lastSub'} eq 'hdgrade' 
-			 && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes');
-
 	    my ($partid,$respid) = @{ $part };
 	    my $display_part=&get_display_part($partid,$symb);
 	    if ($env{"form.$uname:$udom:$partid:submitted_by"}) {
@@ -2393,7 +2552,7 @@ sub submission {
                                $$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'</a>').
                     '<br />');
 		next;
-		}
+	    }
 	    my $responsetype = $responseType->{$partid}->{$respid};
 	    if (!exists($record{"resource.$partid.$respid.submission"})) {
                 $lastsubonly.="\n".'<div class="LC_grade_submission_part">'.
@@ -2472,8 +2631,9 @@ sub submission {
 		}
 		my $order=&get_order($partid,$respid,$symb,$uname,$udom,
                                      undef,$type,$trial,$rndseed);
-                if ($env{'form.lastSub'} eq 'lastonly' || $env{'form.lastSub'} eq 'datesub' || $env{'form.lastSub'} =~ /^(last|all)$/ || ($env{'form.lastSub'} eq 'hdgrade' && 
-			 $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) {
+                if (($env{'form.lastSub'} eq 'lastonly') ||
+                    ($env{'form.lastSub'} eq 'datesub')  ||
+                    ($env{'form.lastSub'} =~ /^(last|all)$/)) {
 		    my $display_part=&get_display_part($partid,$symb);
                     $lastsubonly.='<div class="LC_grade_submission_part">'.
                         '<b>'.&mt('Part: [_1]',$display_part).'</b>'.
@@ -2527,8 +2687,7 @@ sub submission {
     if ($env{'form.lastSub'} eq 'datesub') {
         my ($parts,$handgrade,$responseType) = &response_type($symb,\$res_error);
 	$request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom));
-  
-    } 
+    }
     if ($env{'form.lastSub'} =~ /^(last|all)$/) {
         my $identifier = (&canmodify($usec)? $counter : '');
         $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
@@ -2547,32 +2706,31 @@ sub submission {
 	$request->print('</div>'."\n");
     }
 
-    # essay grading message center
-#    if ($env{'form.handgrade'} eq 'yes') {
-    if (1) {
-	my $result='<div class="LC_grade_message_center">';
-    
-	$result.='<div class="LC_grade_message_center_header">'.
-	    &mt('Send Message').'</div><div class="LC_grade_message_center_body">';
-	my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
-	my $msgfor = $givenn.' '.$lastname;
-	if (scalar(@$col_fullnames) > 0) {
-	    my $lastone = pop(@$col_fullnames);
-	    $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.';
-	}
-	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
-	$result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
-	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
-	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
-	    ',\''.$msgfor.'\');" target="_self">'.
-	    &mt('Compose message to student'.(scalar(@$col_fullnames) >= 1 ? 's' : '')).'</a><label> ('.
-	    &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
-	    ' <img src="'.$request->dir_config('lonIconsURL').
-	    '/mailbkgrd.gif" width="14" height="10" alt="" name="mailicon'.$counter.'" />'."\n".
-	    '<br />&nbsp;('.
-	    &mt('Message will be sent when you click on Save &amp; Next below.').")\n";
-	$result.='</div></div>';
-	$request->print($result);
+    # grading message center
+
+    if ($env{'form.compmsg'}) {
+        my $result='<div class="LC_Box">'.
+                   '<h3 class="LC_hcell">'.&mt('Send Message').'</h3>'.
+                   '<div class="LC_grade_message_center_body">';
+        my ($lastname,$givenn) = split(/,/,$env{'form.fullname'});
+        my $msgfor = $givenn.' '.$lastname;
+        if (scalar(@$col_fullnames) > 0) {
+            my $lastone = pop(@$col_fullnames);
+            $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.';
+        }
+        $msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
+        $result.='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
+                 '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n".
+                 '&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
+                 ',\''.$msgfor.'\');" target="_self">'.
+                 &mt('Compose message to student'.(scalar(@$col_fullnames) >= 1 ? 's' : '')).'</a><label> ('.
+                 &mt('incl. grades').' <input type="checkbox" name="withgrades'.$counter.'" /></label>)'.
+                 ' <img src="'.$request->dir_config('lonIconsURL').
+                 '/mailbkgrd.gif" width="14" height="10" alt="" name="mailicon'.$counter.'" />'."\n".
+                 '<br />&nbsp;('.
+                 &mt('Message will be sent when you click on Save &amp; Next below.').")\n".
+                 '</div></div>';
+        $request->print($result);
     }
 
     my %seen = ();
@@ -2594,8 +2752,6 @@ sub submission {
 	my $part_resp = join('_',@{ $part_response_id });
 	next if ($seen{$partid} > 0);
 	$seen{$partid}++;
-	next if ($$handgrade{$part_resp} ne 'yes' 
-		 && $env{'form.lastSub'} eq 'hdgrade');
 	push(@partlist,$partid);
 	push(@gradePartRespid,$partid.'.'.$respid);
 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
@@ -3074,11 +3230,17 @@ sub processHandGrade {
 	}
     }
 
-#    if ($env{'form.handgrade'} eq 'yes') {
-    if (1) {
+    my $res_error;
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay) = &response_type($symb,\$res_error);
+    if ($res_error) {
+        $request->print(&navmap_errormsg());
+        return;
+    }
+
+    my %keyhash = ();
+    if ($numessay) {
 	# Keywords sorted in alphabatical order
 	my $loginuser = $env{'user.name'}.':'.$env{'user.domain'};
-	my %keyhash = ();
 	$env{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
 	$env{'form.keywords'}           =~ s/^\s+|\s+$//;
 	my (@keywords) = sort(split(/\s+/,$env{'form.keywords'}));
@@ -3088,7 +3250,9 @@ sub processHandGrade {
 	$keyhash{$loginuser.'_kwclr'}   = $env{'form.kwclr'};
 	$keyhash{$loginuser.'_kwsize'}  = $env{'form.kwsize'};
 	$keyhash{$loginuser.'_kwstyle'} = $env{'form.kwstyle'};
+    }
 
+    if ($env{'form.compmsg'}) {
 	# message center - Order of message gets changed. Blank line is eliminated.
 	# New messages are saved in env for the next student.
 	# All messages are saved in nohist_handgrade.db
@@ -3103,17 +3267,20 @@ sub processHandGrade {
 	$ctr = 0;
 	while ($ctr < $ngrade) {
 	    if ($env{'form.newmsg'.$ctr} ne '') {
-		$keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr};
-		$env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr};
-		$idx++;
+	        $keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr};
+	        $env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr};
+	        $idx++;
 	    }
 	    $ctr++;
 	}
 	$env{'form.savemsgN'} = --$idx;
 	$keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'};
-	my $putresult = &Apache::lonnet::put
-	    ('nohist_handgrade',\%keyhash,$cdom,$cnum);
     }
+    if (($numessay) || ($env{'form.compmsg'})) {
+        my $putresult = &Apache::lonnet::put
+            ('nohist_handgrade',\%keyhash,$cdom,$cnum);
+    }
+
     # Called by Save & Refresh from Highlight Attribute Window
     my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
     if ($env{'form.refresh'} eq 'on') {
@@ -3153,7 +3320,6 @@ sub processHandGrade {
 		 }
 		 return $a cmp $b;
 	     } (keys(%$fullname))) {
-# FIXME: this is fishy, looks like the button label
 	if ($nextflg == 1 && $button =~ /Next$/) {
 	    push(@parsedlist,$item);
 	}
@@ -3164,14 +3330,7 @@ sub processHandGrade {
 	}
     }
     $ctr = 0;
-# FIXME: this is fishy, looks like the button label
     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
-    my $res_error;
-    my ($partlist) = &response_type($symb,\$res_error);
-    if ($res_error) {
-        $request->print(&navmap_errormsg());
-        return;
-    }
     foreach my $student (@parsedlist) {
 	my $submitonly=$env{'form.submitonly'};
 	my ($uname,$udom) = split(/:/,$student);
@@ -3424,7 +3583,7 @@ sub handback_files {
 		        &Apache::lonnet::file_name_version_ext($answer_file);
 		    my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/);
                     my $getpropath = 1;
-                    my ($dir_list,$listerror) = 
+                    my ($dir_list,$listerror) =
                         &Apache::lonnet::dirlist($portfolio_root.$portfolio_path,
                                                  $domain,$stuname,$getpropath);
 		    my $version = &Apache::lonnet::get_next_version($answer_name,$answer_ext,$dir_list);
@@ -3884,7 +4043,6 @@ sub viewgrades {
 	my $part_resp = join('_',@{ $part_response_id });
 	next if $seen{$partid};
 	$seen{$partid}++;
-#	my $handgrade=$$handgrade{$part_resp};
 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
 
@@ -5310,11 +5468,11 @@ sub displaySubByDates {
             }
             my @matchKey;
             if ($isTask) {
-                @matchKey = sort(grep /^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys);
+                @matchKey = sort(grep(/^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys));
             } elsif ($is_tool) {
-                @matchKey = sort(grep /^resource\.\Q$partid\E\.awarded$/,@versionKeys);
+                @matchKey = sort(grep(/^resource\.\Q$partid\E\.awarded$/,@versionKeys));
             } else {
-                @matchKey = sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys);
+                @matchKey = sort(grep(/^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys));
             }
 #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
 	    my $display_part=&get_display_part($partid,$symb);
@@ -5897,8 +6055,7 @@ sub scantron_selectphase {
 
     $ssi_error = 0;
 
-    if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) ||
-        &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
+    if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) || $perm{'usc'}) {
 
 	# Chunk of form to prompt for a scantron file upload.
 
@@ -5906,6 +6063,7 @@ sub scantron_selectphase {
     <br />');
     my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $csec= $env{'request.course.sec'};
     my $alertmsg = &mt('Please use the browse button to select a file from your local directory.');
     &js_escape(\$alertmsg);
     my ($formatoptions,$formattitle,$formatjs) = &scantron_upload_dataformat($cdom);
@@ -5921,6 +6079,7 @@ sub scantron_selectphase {
               <form enctype="multipart/form-data" action="/adm/grades" name="rules" method="post">
                 '.$default_form_data.'
                 <input name="courseid" type="hidden" value="'.$cnum.'" />
+                <input name="coursesec" type="hidden" value="'.$csec.'" />
                 <input name="domainid" type="hidden" value="'.$cdom.'" />
                 <input name="command" value="scantronupload_save" type="hidden" />
               '.&Apache::loncommon::start_data_table('LC_scantron_action').'
@@ -6978,7 +7137,7 @@ sub scantron_warning_screen {
             '<tr><td><b>'.&mt('Hand-graded items: points from last bubble in row').'</b></td><td><tt>'.
             $env{'form.scantron_lastbubblepoints'}.'</tt></td></tr>';
     }
-    return ('
+    return '
 <p>
 <span class="LC_warning">
 '.&mt("Please double check the information below before clicking on '[_1]'",&mt($button_text)).'</span>
@@ -6990,9 +7149,7 @@ sub scantron_warning_screen {
 </table>
 <p> '.&mt("If this information is correct, please click on '[_1]'.",&mt($button_text)).'<br />
 '.&mt('If something is incorrect, please return to [_1]Grade/Manage/Review Bubblesheets[_2] to start over.','<a href="/adm/grades?symb='.$symb.'&command=scantron_selectphase" class="LC_info">','</a>').'</p>
-
-<br />
-');
+';
 }
 
 =pod
@@ -7018,15 +7175,58 @@ sub scantron_do_warning {
 	} 
 	if ( $env{'form.scantron_selectfile'} eq '') {
 	    $r->print('<p><span class="LC_error">'.&mt("You have not selected a file that contains the student's response data.").'</span></p>');
-	} 
+	}
 	if ( $env{'form.scantron_format'} eq '') {
 	    $r->print('<p><span class="LC_error">'.&mt("You have not selected the format of the student's response data.").'</span></p>');
-	} 
+	}
     } else {
 	my $warning=&scantron_warning_screen('Grading: Validate Records',$symb);
+        my ($checksec,@possibles) = &gradable_sections();
+        my $gradesections;
+        if ($checksec) {
+            my $file=$env{'form.scantron_selectfile'};
+            if (&valid_file($file)) {
+                my %bysec = &scantron_get_sections();
+                my $table;
+                if ((keys(%bysec) > 1) || ((keys(%bysec) == 1) && ((keys(%bysec))[0] ne $checksec))) {
+                    $gradesections = &mt('Your current role is for section [_1].','<i>'.$checksec.'</i>').'<br />';
+                    $table = &Apache::loncommon::start_data_table()."\n".
+                             &Apache::loncommon::start_data_table_header_row().
+                             '<th>'.&mt('Section').'</th><th>'.&mt('Number of records').'</th>'.
+                              &Apache::loncommon::end_data_table_header_row()."\n";
+                    if ($bysec{'none'}) {
+                        $table .= &Apache::loncommon::start_data_table_row().
+                                  '<td>'.&mt('None').'</td><td>'.$bysec{'none'}.'</td>'.
+                                  &Apache::loncommon::end_data_table_row()."\n";
+                    }
+                    foreach my $sec (sort { $a <=> $b } keys(%bysec)) {
+                        next if ($sec eq 'none');
+                        $table .= &Apache::loncommon::start_data_table_row().
+                                  '<td>'.$sec.'</td><td>'.$bysec{$sec}.'</td>'.
+                                  &Apache::loncommon::end_data_table_row()."\n";
+                    }
+                    $table .= &Apache::loncommon::end_data_table()."\n";
+                    $gradesections .= &mt('Sections represented in the bubblesheet data file (based on bubbled student IDs) are as follows:').
+                                      '<p>'.$table.'</p>';
+                    if (@possibles) {
+                        $gradesections .= '<p>'.
+                                          &mt('You have role(s) in [quant,_1,other section,other sections] with privileges to manage grades.',
+                                              scalar(@possibles)).'<br />'.
+                                          &mt('Check which of those section(s), in addition to section [_1], you wish to grade using this bubblesheet file:',
+                                              '<i>'.$checksec.'</i>').' ';
+                        foreach my $sec (sort {$a <=> $b } @possibles) {
+                            $gradesections .= '<label><input type="checkbox" name="scantron_othersections" value="'.$sec.'" />'.$sec.'</label>'.('&nbsp;'x2);
+                        }
+                        $gradesections .= '</p>';
+                    }
+                }
+            } else {
+                $gradesections = '<p class="LC_error">'.&mt('The selected file is unavailable').'</p>';
+            }
+        }
         my $bubbledbyhand=&hand_bubble_option();
 	$r->print('
-'.$warning.$bubbledbyhand.'
+'.$warning.$gradesections.$bubbledbyhand.'
 <input type="submit" name="submit" value="'.&mt('Grading: Validate Records').'" />
 <input type="hidden" name="command" value="scantron_validate" />
 ');
@@ -7113,7 +7313,38 @@ sub scantron_validate_file {
     if ($env{'form.scantron_corrections'}) {
 	&scantron_process_corrections($r);
     }
-    $r->print('<p>'.&mt('Gathering necessary information.').'</p>');$r->rflush();
+
+    $r->print('<p>'.&mt('Gathering necessary information.').'</p>');
+    my ($checksec,@gradable);
+    if ($env{'request.course.sec'}) {
+        ($checksec,my @possibles) = &gradable_sections();
+        if ($checksec) {
+            if (@possibles) {
+                my @chosensecs = &Apache::loncommon::get_env_multiple('form.scantron_othersections');
+                if (@chosensecs) {
+                    foreach my $sec (@chosensecs) {
+                        if (grep(/^\Q$sec\E$/,@possibles)) {
+                            unless (grep(/^\Q$sec\E$/,@gradable)) {
+                                push(@gradable,$sec);
+                            }
+                        }
+                    }
+                }
+            }
+            $r->print('<p><table>');
+            if (@gradable) {
+                my @showsections = sort { $a <=> $b } (@gradable,$checksec);
+                $r->print(
+                    '<tr><td><b>'.&mt('Sections to be Graded:').'</b></td><td>'.join(', ',@showsections).'</td></tr>');
+            } else {
+                $r->print(
+                    '<tr><td><b>'.&mt('Section to be Graded:').'</b></td><td>'.$checksec.'</td></tr>');
+            }
+            $r->print('</table></p>');
+        }
+    }
+    $r->rflush();
+
     #get the student pick code ready
     $r->print(&Apache::loncommon::studentbrowser_javascript());
     my $nav_error;
@@ -7138,7 +7369,7 @@ sub scantron_validate_file {
 	$env{'form.validatepass'} = 0;
     }
     my $currentphase=$env{'form.validatepass'};
-
+    my %skipbysec=();
 
     my $stop=0;
     while (!$stop && $currentphase < scalar(@validate_phases)) {
@@ -7148,13 +7379,29 @@ sub scantron_validate_file {
 	my $which="scantron_validate_".$validate_phases[$currentphase];
 	{
 	    no strict 'refs';
-	    ($stop,$currentphase)=&$which($r,$currentphase);
+            my @extras=();
+            if ($validate_phases[$currentphase] eq 'ID') {
+                @extras = (\%skipbysec,$checksec,@gradable);
+            }
+	    ($stop,$currentphase)=&$which($r,$currentphase,@extras);
 	}
     }
     if (!$stop) {
 	my $warning=&scantron_warning_screen('Start Grading',$symb);
+        my $secinfo;
+        if (keys(%skipbysec) > 0) {
+            my $seclist = '<ul>';
+            foreach my $sec (sort { $a <=> $b } keys(%skipbysec)) {
+                $seclist .= '<li>'.&mt('section [_1]: [_2]',$sec,$skipbysec{$sec}).'</li>';
+            }
+            $seclist .= '</ul>';
+            $secinfo = '<p class="LC_info">'.
+                       &mt('Numbers of records for students in sections not being graded [_1]',
+                           $seclist).
+                       '</p>';
+        }
 	$r->print(&mt('Validation process complete.').'<br />'.
-                  $warning.
+                  $secinfo.$warning.
                   &mt('Perform verification for each student after storage of submissions?').
                   '&nbsp;<span class="LC_nobreak"><label>'.
                   '<input type="radio" name="verifyrecord" value="1" />'.&mt('Yes').'</label>'.
@@ -7570,11 +7817,12 @@ sub scantron_validate_sequence {
 
 
 sub scantron_validate_ID {
-    my ($r,$currentphase) = @_;
+    my ($r,$currentphase,$skipbysec,$checksec,@gradable) = @_;
     
     #get student info
     my $classlist=&Apache::loncoursedata::get_classlist();
     my %idmap=&username_to_idmap($classlist);
+    my $secidx = &Apache::loncoursedata::CL_SECTION();
 
     #get scantron line setup
     my %scantron_config=&Apache::lonnet::get_scantron_config($env{'form.scantron_format'});
@@ -7588,6 +7836,7 @@ sub scantron_validate_ID {
     }
 
     my %found=('ids'=>{},'usernames'=>{});
+    my $unsavedskips = 0;
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
 	my $line=&scantron_get_line($scanlines,$scan_data,$i);
 	if ($line=~/^[\s\cz]*$/) { next; }
@@ -7600,13 +7849,41 @@ sub scantron_validate_ID {
 	}
 	if ($found) {
 	    my $username=$idmap{$found};
+            if ($checksec) {
+                if (ref($classlist->{$username}) eq 'ARRAY') {
+                    my $stusec = $classlist->{$username}->[$secidx];
+                    if ($stusec ne $checksec) {
+                        unless ((@gradable > 0) && (grep(/^\Q$stusec\E$/,@gradable))) {
+                            my $skip=1;
+                            &scantron_put_line($scanlines,$scan_data,$i,$line,$skip);
+                            if (ref($skipbysec) eq 'HASH') {
+                                if ($stusec eq '') {
+                                    $skipbysec->{'none'} ++;
+                                } else {
+                                    $skipbysec->{$stusec} ++;
+                                }
+                            }
+                            $unsavedskips ++;
+                            next;
+                        }
+                    }
+                }
+            }
 	    if ($found{'ids'}{$found}) {
 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
 					 $line,'duplicateID',$found);
+                if ($unsavedskips) {
+                    &scantron_putfile($scanlines,$scan_data);
+                    $unsavedskips = 0;
+                }
 		return(1,$currentphase);
 	    } elsif ($found{'usernames'}{$username}) {
 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
 					 $line,'duplicateID',$username);
+                if ($unsavedskips) {
+                    &scantron_putfile($scanlines,$scan_data);
+                    $unsavedskips = 0;
+                }
 		return(1,$currentphase);
 	    }
 	    #FIXME store away line we previously saw the ID on to use above
@@ -7615,29 +7892,95 @@ sub scantron_validate_ID {
 	} else {
 	    if ($id =~ /^\s*$/) {
 		my $username=&scan_data($scan_data,"$i.user");
-		if (defined($username) && $found{'usernames'}{$username}) {
+                if (($checksec && $username ne '')) {
+                    if (ref($classlist->{$username}) eq 'ARRAY') {
+                        my $stusec = $classlist->{$username}->[$secidx];
+                        if ($stusec ne $checksec) {
+                            unless ((@gradable > 0) && (grep(/^\Q$stusec\E$/,@gradable))) {
+                                my $skip=1;
+                                &scantron_put_line($scanlines,$scan_data,$i,$line,$skip);
+                                if (ref($skipbysec) eq 'HASH') {
+                                    if ($stusec eq '') {
+                                        $skipbysec->{'none'} ++;
+                                    } else {
+                                        $skipbysec->{$stusec} ++;
+                                    }
+                                }
+                                $unsavedskips ++;
+                                next;
+                            }
+                        }
+                    }
+		} elsif (defined($username) && $found{'usernames'}{$username}) {
 		    &scantron_get_correction($r,$i,$scan_record,
 					     \%scantron_config,
 					     $line,'duplicateID',$username);
+                    if ($unsavedskips) {
+                        &scantron_putfile($scanlines,$scan_data);
+                        $unsavedskips = 0;
+                    }
 		    return(1,$currentphase);
 		} elsif (!defined($username)) {
 		    &scantron_get_correction($r,$i,$scan_record,
 					     \%scantron_config,
 					     $line,'incorrectID');
+                    if ($unsavedskips) {
+                        &scantron_putfile($scanlines,$scan_data);
+                        $unsavedskips = 0;
+                    }
 		    return(1,$currentphase);
 		}
 		$found{'usernames'}{$username}++;
 	    } else {
 		&scantron_get_correction($r,$i,$scan_record,\%scantron_config,
 					 $line,'incorrectID');
+                if ($unsavedskips) {
+                    &scantron_putfile($scanlines,$scan_data);
+                    $unsavedskips = 0;
+                }
 		return(1,$currentphase);
 	    }
 	}
     }
-
+    if ($unsavedskips) {
+        &scantron_putfile($scanlines,$scan_data);
+        $unsavedskips = 0;
+    }
     return (0,$currentphase+1);
 }
 
+sub scantron_get_sections {
+    my %bysec;
+    if ($env{'form.scantron_format'} ne '') {
+        my %scantron_config=&Apache::lonnet::get_scantron_config($env{'form.scantron_format'});
+        my ($scanlines,$scan_data)=&scantron_getfile();
+        my $classlist=&Apache::loncoursedata::get_classlist();
+        my %idmap=&username_to_idmap($classlist);
+        foreach my $key (keys(%idmap)) {
+            my $lckey = lc($key);
+            $idmap{$lckey} = $idmap{$key};
+        }
+        my $secidx = &Apache::loncoursedata::CL_SECTION();
+        for (my $i=0;$i<=$scanlines->{'count'};$i++) {
+            my $line=&scantron_get_line($scanlines,$scan_data,$i);
+            if ($line=~/^[\s\cz]*$/) { next; }
+            my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
+                                                     $scan_data);
+            my $id=lc($$scan_record{'scantron.ID'});
+            if (exists($idmap{$id})) {
+                if (ref($classlist->{$idmap{$id}}) eq 'ARRAY') {
+                    my $stusec = $classlist->{$idmap{$id}}->[$secidx];
+                    if ($stusec eq '') {
+                        $bysec{'none'} ++;
+                    } else {
+                        $bysec{$stusec} ++;
+                    }
+                }
+            }
+        }
+    }
+    return %bysec;
+}
 
 sub scantron_get_correction {
     my ($r,$i,$scan_record,$scan_config,$line,$error,$arg,
@@ -8655,9 +8998,10 @@ sub scantron_process_students {
 SCANTRONFORM
     $r->print($result);
 
+    my ($checksec,@possibles)=&gradable_sections();
     my @delayqueue;
     my (%completedstudents,%scandata);
-    
+
     my $lock=&Apache::lonnet::set_lock(&mt('Grading bubblesheet exam'));
     my $count=&get_todo_count($scanlines,$scan_data);
     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$count);
@@ -8717,6 +9061,13 @@ SCANTRONFORM
  	    next;
  	}
         my $usec = $classlist->{$uname}->[&Apache::loncoursedata::CL_SECTION];
+        if (($checksec ne '') && ($checksec ne $usec)) {
+            unless (grep(/^\Q$usec\E$/,@possibles)) {
+                &scantron_add_delay(\@delayqueue,$line,
+                                    "No role with manage grades privilege in student's section ($usec)",3);
+                next;
+            }
+        }
         my $user = $uname.':'.$usec;
   	($uname,$udom)=split(/:/,$uname);
 
@@ -9172,7 +9523,9 @@ sub scantron_upload_scantron_data_save {
 	'</form>'."\n";
     if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) &&
 	!&Apache::lonnet::allowed('usc',
-			    $env{'form.domainid'}.'_'.$env{'form.courseid'})) {
+			    $env{'form.domainid'}.'_'.$env{'form.courseid'}) &&
+        !&Apache::lonnet::allowed('usc',
+                            $env{'form.domainid'}.'_'.$env{'form.courseid'}.'/'.$env{'form.coursesec'})) {
 	$r->print(&mt("You are not allowed to upload bubblesheet data to the requested course.")."<br />");
 	unless ($symb) {
 	    $r->print($doanotherupload);
@@ -9228,8 +9581,17 @@ sub scantron_upload_scantron_data_save {
                         (length($env{'form.upfile'})-1),
                         '<span class="LC_filename">'.$result.'</span>'));
             ($uploadedfile) = ($result =~ m{/([^/]+)$});
+            if ($uploadedfile =~ /^scantron_orig_/) {
+                my $logname = $uploadedfile;
+                $logname =~ s/^scantron_orig_//;
+                if ($logname ne '') {
+                    my $now = time;
+                    my %info = ($logname => { $now => $env{'user.name'}.':'.$env{'user.domain'} });  
+                    &Apache::lonnet::put('scantronupload',\%info,$env{'form.domainid'},$env{'form.courseid'});
+                }
+            }
             $r->print(&validate_uploaded_scantron_file($env{'form.domainid'},
-                                                       $env{'form.courseid'},$uploadedfile));
+                                                       $env{'form.courseid'},$symb,$uploadedfile));
         } else {
             $r->print(
                 &Apache::lonhtmlcommon::confirm_success(&mt('Upload failed'),1).'<br />'.
@@ -9247,13 +9609,34 @@ sub scantron_upload_scantron_data_save {
 }
 
 sub validate_uploaded_scantron_file {
-    my ($cdom,$cname,$fname) = @_;
+    my ($cdom,$cname,$symb,$fname,$context,$countsref) = @_;
+
     my $scanlines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'.$fname);
     my @lines;
     if ($scanlines ne '-1') {
         @lines=split("\n",$scanlines,-1);
     }
-    my $output;
+    my ($output,$secidx,$checksec,$priv,%crsroleshash,@possibles);
+    $secidx = &Apache::loncoursedata::CL_SECTION();
+    if ($context eq 'download') {
+        $priv = 'mgr';
+    } else {
+        $priv = 'usc';
+    }
+    unless ((&Apache::lonnet::allowed($priv,$env{'request.role.domain'})) ||
+            (($env{'request.course.id'}) &&
+             (&Apache::lonnet::allowed($priv,$env{'request.course.id'})))) {
+        if ($env{'request.course.sec'} ne '') {
+            unless (&Apache::lonnet::allowed($priv,
+                                         "$env{'request.course.id'}/$env{'request.course.sec'}")) {
+                unless ($context eq 'download') {
+                    $output = '<p class="LC_warning">'.&mt('You do not have permission to upload bubblesheet data').'</p>';
+                }
+                return $output;
+            }
+            ($checksec,@possibles)=&gradable_sections();
+        }
+    }
     if (@lines) {
         my (%counts,$max_match_format);
         my ($found_match_count,$max_match_count,$max_match_pct) = (0,0,0);
@@ -9283,6 +9666,8 @@ sub validate_uploaded_scantron_file {
             %{$counts{$key}} = (
                                'found'   => 0,
                                'total'   => 0,
+                               'totalanysec' => 0,
+                               'othersec' => 0,
                               );
             foreach my $line (@lines) {
                 next if ($line =~ /^#/);
@@ -9290,6 +9675,23 @@ sub validate_uploaded_scantron_file {
                 my $id = substr($line,$idstart-1,$idlength);
                 $id = lc($id);
                 if (exists($idmap{$id})) {
+                    if ($checksec ne '') {
+                        $counts{$key}{'totalanysec'} ++;
+                        if (ref($classlist->{$idmap{$id}}) eq 'ARRAY') {
+                            my $stusec = $classlist->{$idmap{$id}}->[$secidx];
+                            if ($stusec ne $checksec) {
+                                if (@possibles) {
+                                    unless (grep(/^\Q$stusec\E$/,@possibles)) {
+                                        $counts{$key}{'othersec'} ++;
+                                        next;
+                                    }
+                                } else {
+                                    $counts{$key}{'othersec'} ++;
+                                    next;
+                                }
+                            }
+                        }
+                    }
                     $counts{$key}{'found'} ++;
                 }
                 $counts{$key}{'total'} ++;
@@ -9304,7 +9706,7 @@ sub validate_uploaded_scantron_file {
                 }
             }
         }
-        if (ref($unique_formats{$max_match_format}) eq 'ARRAY') {
+        if ((ref($unique_formats{$max_match_format}) eq 'ARRAY') && ($context ne 'download')) {
             my $format_descs;
             my $numwithformat = @{$unique_formats{$max_match_format}};
             for (my $i=0; $i<$numwithformat; $i++) {
@@ -9349,13 +9751,179 @@ sub validate_uploaded_scantron_file {
                     '<li>'.&mt('The course roster is not up to date.').'</li>'.
                     '</ul>';
             }
+            if (($checksec ne '') && (ref($counts{$max_match_format}) eq 'HASH')) {
+                if ($counts{$max_match_format}{'othersec'}) {
+                    my $percent_nongrade = (100*$counts{$max_match_format}{'othersec'})/($counts{$max_match_format}{'totalanysec'});
+                    my $showpct = sprintf("%.0f",$percent_nongrade).'%';
+                    my $confirmdel = &mt('Are you sure you want to permanently delete this file?');
+                    &js_escape(\$confirmdel);
+                    $output .= '<p class="LC_warning">'.
+                               &mt('Comparison of student IDs in the uploaded file with the course roster found [_1][quant,_2,match,matches][_3] for students in section(s) for which none of your role(s) have privileges to modify grades',
+                                   '<b>',$counts{$max_match_format}{'othersec'},'</b>').
+                               '<br />'.
+                               &mt('Unless you are assigned role(s) which allow modification of grades in additional sections, [_1] of the records in this file will be automatically excluded when you perform bubblesheet grading.','<b>'.$showpct.'</b>').
+                               '</p><p>'.
+                               &mt('If you prefer to delete the file now, use: [_1]').
+                               '<form method="post" name="delupload" action="/adm/grades">'.
+                               '<input type="hidden" name="symb" value="'.$symb.'" />'.
+                               '<input type="hidden" name="domainid" value="'.$cdom.'" />'.
+                               '<input type="hidden" name="courseid" value="'.$cname.'" />'.
+                               '<input type="hidden" name="coursesec" value="'.$env{'request.course.sec'}.'" />'. 
+                               '<input type="hidden" name="uploadedfile" value="'.$fname.'" />'. 
+                               '<input type="hidden" name="command" value="scantronupload_delete" />'.
+                               '<input type="button" name="delbutton" value="'.&mt('Delete Uploaded File').'" onclick="javascript:if (confirm('."'$confirmdel'".')) { document.delupload.submit(); }" />'.
+                               '</form></p>';
+                }
+            }
         }
-    } else {
+        if (($context eq 'download') && ($checksec ne '')) {
+            if ((ref($countsref) eq 'HASH') && (ref($counts{$max_match_format}) eq 'HASH')) {
+                $countsref->{'totalanysec'} = $counts{$max_match_format}{'totalanysec'};
+                $countsref->{'othersec'} = $counts{$max_match_format}{'othersec'};
+            }
+        } 
+    } elsif ($context ne 'download') {
         $output = '<p class="LC_warning">'.&mt('Uploaded file contained no data').'</p>';
     }
     return $output;
 }
 
+sub gradable_sections {
+    my $checksec = $env{'request.course.sec'};
+    my @oksecs;
+    if ($checksec) {
+        my %availablesecs = &sections_grade_privs();
+        if (ref($availablesecs{'mgr'}) eq 'ARRAY') {
+            foreach my $sec (@{$availablesecs{'mgr'}}) {
+                unless (grep(/^\Q$sec\E$/,@oksecs)) {
+                    push(@oksecs,$sec);
+                }
+            }
+            if (grep(/^all$/,@oksecs)) {
+                undef($checksec);
+            }
+        }
+    }
+    return($checksec,@oksecs);
+}
+
+sub sections_grade_privs {
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my %availablesecs = (
+                          mgr => [],
+                          vgr => [],
+                          usc => [],
+                        );
+    my $ccrole = 'cc';
+    if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Community') {
+        $ccrole = 'co';
+    }
+    my %crsroleshash = &Apache::lonnet::get_my_roles($env{'user.name'},$env{'user.domain'},
+                                                     'userroles',['active'],
+                                                     [$ccrole,'in','cr'],$cdom,1);
+    my $crsid = $cnum.':'.$cdom;
+    foreach my $item (keys(%crsroleshash)) {
+        next unless ($item =~ /^$crsid\:/);
+        my ($crsnum,$crsdom,$role,$sec) = split(/\:/,$item);
+        my $suffix = "/$cdom/$cnum./$cdom/$cnum";
+        if ($sec ne '') {
+            $suffix = "/$cdom/$cnum/$sec./$cdom/$cnum/$sec";
+        }
+        if (($role eq $ccrole) || ($role eq 'in')) {
+            foreach my $priv ('mgr','vgr','usc') { 
+                unless (grep(/^all$/,@{$availablesecs{$priv}})) {
+                    if ($sec eq '') {
+                        $availablesecs{$priv} = ['all'];
+                    } elsif ($sec ne $env{'request.course.sec'}) {
+                        unless (grep(/^\Q$sec\E$/,@{$availablesecs{$priv}})) {
+                            push(@{$availablesecs{$priv}},$sec);
+                        }
+                    }
+                }
+            }
+        } elsif ($role =~ m{^cr/}) {
+            foreach my $priv ('mgr','vgr','usc') {
+                unless (grep(/^all$/,@{$availablesecs{$priv}})) {
+                    if ($env{"user.priv.$role.$suffix"} =~ /:$priv&/) {
+                        if ($sec eq '') {
+                            $availablesecs{$priv} = ['all'];
+                        } elsif ($sec ne $env{'request.course.sec'}) {
+                            unless (grep(/^\Q$sec\E$/,@{$availablesecs{$priv}})) {
+                                push(@{$availablesecs{$priv}},$sec);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return %availablesecs;
+}
+
+sub scantron_upload_delete {
+    my ($r,$symb) = @_;
+    my $filename = $env{'form.uploadedfile'};
+    if ($filename =~ /^scantron_orig_/) {
+        if (&Apache::lonnet::allowed('usc',$env{'form.domainid'}) ||
+            &Apache::lonnet::allowed('usc',
+                                     $env{'form.domainid'}.'_'.$env{'form.courseid'}) ||
+            &Apache::lonnet::allowed('usc',
+                                     $env{'form.domainid'}.'_'.$env{'form.courseid'}.'/'.$env{'form.coursesec'})) {
+            my $uploadurl = '/uploaded/'.$env{'form.domainid'}.'/'.$env{'form.courseid'}.'/'.$env{'form.uploadedfile'};
+            my $retrieval = &Apache::lonnet::getfile($uploadurl);
+            if ($retrieval eq '-1') {
+                $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'.
+                          &mt('File requested for deletion not found.'));
+            } else {
+                $filename =~ s/^scantron_orig_//;
+                if ($filename ne '') {
+                    my ($is_valid,$numleft);
+                    my %info = &Apache::lonnet::get('scantronupload',[$filename],$env{'form.domainid'},$env{'form.courseid'});
+                    if (keys(%info)) {
+                        if (ref($info{$filename}) eq 'HASH') {
+                            foreach my $timestamp (sort(keys(%{$info{$filename}}))) {
+                                if ($info{$filename}{$timestamp} eq $env{'user.name'}.':'.$env{'user.domain'}) {
+                                    $is_valid = 1;
+                                    delete($info{$filename}{$timestamp}); 
+                                }
+                            }
+                            $numleft = scalar(keys(%{$info{$filename}}));
+                        }
+                    }
+                    if ($is_valid) {
+                        my $result = &Apache::lonnet::removeuploadedurl($uploadurl);
+                        if ($result eq 'ok') {
+                            $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion successful')).'<br />');
+                            if ($numleft) {
+                                &Apache::lonnet::put('scantronupload',\%info,$env{'form.domainid'},$env{'form.courseid'});
+                            } else {
+                                &Apache::lonnet::del('scantronupload',[$filename],$env{'form.domainid'},$env{'form.courseid'});
+                            }
+                        } else {
+                            $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'.
+                                      &mt('Result was [_1]',$result));
+                        }
+                    } else {
+                        $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'.
+                                  &mt('File requested for deletion was uploaded by a different user.'));
+                    }
+                } else {
+                    $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'.
+                              &mt('Filename of bubblesheet data file requested for deletion is invalid.'));
+                }
+            }
+        } else {
+            $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'. 
+                      &mt('You are not permitted to delete bubblesheet data files from the requested course.'));
+        }
+    } else {
+        $r->print(&Apache::lonhtmlcommon::confirm_success(&mt('File deletion failed'),1).'<br />'.
+                          &mt('Filename of bubblesheet data file requested for deletion is invalid.'));
+    }
+    return;
+}
+
 sub valid_file {
     my ($requested_file)=@_;
     foreach my $filename (sort(&scantron_filenames())) {
@@ -9378,6 +9946,29 @@ sub scantron_download_scantron_data {
 ');
 	return;
     }
+    my (%uploader,$is_owner,%counts,$percent);
+    my %uploader = &Apache::lonnet::get('scantronupload',[$file],$cdom,$cname);
+    if (ref($uploader{$file}) eq 'HASH') {
+        foreach my $timestamp (sort { $a <=> $b } keys(%{$uploader{$file}})) {
+            if ($uploader{$file}{$timestamp} eq $env{'user.name'}.':'.$env{'user.domain'}) {
+                $is_owner = 1;
+                last;
+            }
+        }
+    }
+    unless ($is_owner) {
+        &validate_uploaded_scantron_file($cdom,$cname,$symb,'scantron_orig_'.$file,'download',\%counts);
+        if ($counts{'totalanysec'}) {
+            my $percent_othersec = (100*$counts{'othersec'})/($counts{'totalanysec'});
+            if ($percent_othersec >= 10) {
+                my $showpct = sprintf("%.0f",$percent_othersec).'%';
+                $r->print('<p class="LC_warning">'.
+                          &mt('The original uploaded file includes [_1] or more of records for students for which none of your roles have rights to modify grades, so files are unavailable for download.',$showpct).
+                          '</p>');
+                return;
+            }
+        }
+    }
     my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file;
     my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file;
     my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file;
@@ -9414,7 +10005,7 @@ sub checkscantron_results {
     my %scantron_config =
         &Apache::lonnet::get_scantron_config($env{'form.scantron_format'});
     my $bubbles_per_row = &bubblesheet_bubbles_per_row(\%scantron_config);
-    my ($scanlines,$scan_data)=&Apache::grades::scantron_getfile();
+    my ($scanlines,$scan_data)=&scantron_getfile();
     my $classlist=&Apache::loncoursedata::get_classlist();
     my %idmap=&Apache::grades::username_to_idmap($classlist);
     my $navmap=Apache::lonnavmaps::navmap->new();
@@ -9903,11 +10494,30 @@ sub submit_options_download {
     my ($request,$symb) = @_;
     if (!$symb) {return '';}
 
+    my $res_error;
+    my ($partlist,$handgrade,$responseType,$numresp,$numessay,$numdropbox) =
+        &response_type($symb,\$res_error);
+    if ($res_error) {
+        $request->print(&mt('An error occurred retrieving response types'));
+        return;
+    }
+    unless ($numessay) {
+        $request->print(&mt('No essayresponse items found'));
+        return;
+    }
+    my $table;
+    if (ref($partlist) eq 'ARRAY') {
+        if (scalar(@$partlist) > 1 ) {
+            $table = &showResourceInfo($symb,$partlist,$responseType,'gradingMenu',1,1);
+        }
+    }
+
     my $is_tool = ($symb =~ /ext\.tool$/);
     &commonJSfunctions($request);
 
     my $result='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
-        '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
+               $table."\n".
+               '<input type="hidden" name="symb" value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
     $result.='
 <h2>
   '.&mt('Select Students for whom to Download Submissions').'
@@ -10017,7 +10627,7 @@ sub reset_perm {
 
 sub init_perm {
     &reset_perm();
-    foreach my $test_perm ('vgr','mgr','opa') {
+    foreach my $test_perm ('vgr','mgr','opa','usc') {
 
 	my $scope = $env{'request.course.id'};
 	if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) {
@@ -10685,7 +11295,7 @@ sub navmap_errormsg {
 }
 
 sub startpage {
-    my ($r,$symb,$crumbs,$onlyfolderflag,$nodisplayflag,$stuvcurrent,$stuvdisp,$nomenu,$js,$onload) = @_;
+    my ($r,$symb,$crumbs,$onlyfolderflag,$nodisplayflag,$stuvcurrent,$stuvdisp,$nomenu,$js,$onload,$divforres) = @_;
     my %args;
     if ($onload) {
          my %loaditems = (
@@ -10705,14 +11315,14 @@ sub startpage {
         }
     }
     unless ($nodisplayflag) {
-        $r->print(&Apache::lonhtmlcommon::resource_info_box($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp));
+        $r->print(&Apache::lonhtmlcommon::resource_info_box($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp,$divforres));
     }
 }
 
 sub select_problem {
     my ($r)=@_;
     $r->print('<h3>'.&mt('Select the problem or one of the problems you want to grade').'</h3><form action="/adm/grades">');
-    $r->print(&Apache::lonstathelpers::problem_selector('.',undef,1,undef,undef,undef,undef,1));
+    $r->print(&Apache::lonstathelpers::problem_selector('.',undef,1,undef,undef,1,1));
     $r->print('<input type="hidden" name="command" value="gradingmenu" />');
     $r->print('<input type="submit" value="'.&mt('Next').' &rarr;" /></form>');
 }
@@ -10769,18 +11379,24 @@ sub handler {
         &select_problem($request);
     } else {
 	if ($command eq 'submission' && $perm{'vgr'}) {
-            my ($stuvcurrent,$stuvdisp,$versionform,$js);
+            my ($stuvcurrent,$stuvdisp,$versionform,$js,$onload);
             if (($env{'form.student'} ne '') && ($env{'form.userdom'} ne '')) {
                 ($stuvcurrent,$stuvdisp,$versionform,$js) =
                     &choose_task_version_form($symb,$env{'form.student'},
                                               $env{'form.userdom'});
             }
-            &startpage($request,$symb,[{href=>"", text=>"Student Submissions"}],undef,undef,$stuvcurrent,$stuvdisp,undef,$js);
+            my $divforres;
+            if ($env{'form.student'} eq '') {
+                $js .= &part_selector_js();
+                $onload = "toggleParts('gradesub');";
+            } else {
+                $divforres = 1;
+            }
+            &startpage($request,$symb,[{href=>"", text=>"Student Submissions"}],undef,undef,$stuvcurrent,$stuvdisp,undef,$js,$onload,$divforres);
             if ($versionform) {
                 $request->print($versionform);
             }
-            $request->print('<br clear="all" />');
-	    ($env{'form.student'} eq '' ? &listStudents($request,$symb) : &submission($request,0,0,$symb));
+	    ($env{'form.student'} eq '' ? &listStudents($request,$symb,'',$divforres) : &submission($request,0,0,$symb,$divforres,$command));
         } elsif ($command eq 'versionsub' && $perm{'vgr'}) {
             my ($stuvcurrent,$stuvdisp,$versionform,$js) =
                 &choose_task_version_form($symb,$env{'form.student'},
@@ -10810,7 +11426,7 @@ sub handler {
 	    &updateGradeByPage($request,$symb);
 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
             &startpage($request,$symb,[{href=>'',text=>'...'},
-                                       {href=>'',text=>'Modify grades'}]);
+                                       {href=>'',text=>'Modify grades'}],undef,undef,undef,undef,undef,undef,undef,1);
 	    &processGroup($request,$symb);
 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
             &startpage($request,$symb);
@@ -10819,7 +11435,10 @@ sub handler {
             &startpage($request,$symb,[{href=>'',text=>'Select individual students to grade'}]);
 	    $request->print(&submit_options($request,$symb));
         } elsif ($command eq 'ungraded' && $perm{'vgr'}) {
-            &startpage($request,$symb,[{href=>'',text=>'Grade ungraded submissions'}]);
+            my $js = &part_selector_js();
+            my $onload = "toggleParts('gradesub');";
+            &startpage($request,$symb,[{href=>'',text=>'Grade ungraded submissions'}],
+                       undef,undef,undef,undef,undef,$js,$onload);
             $request->print(&listStudents($request,$symb,'graded'));
         } elsif ($command eq 'table' && $perm{'vgr'}) {
             &startpage($request,$symb,[{href=>"", text=>"Grading table"}]);
@@ -10898,30 +11517,35 @@ sub handler {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
 	    $request->print(&scantron_process_students($request,$symb));
  	} elsif ($command eq 'scantronupload' && 
- 		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
-		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
+ 		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) || $perm{'usc'})) {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1,
                        undef,undef,undef,undef,'toggleScantab(document.rules);');
  	    $request->print(&scantron_upload_scantron_data($request,$symb)); 
  	} elsif ($command eq 'scantronupload_save' &&
- 		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})||
-		  &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) {
+ 		 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) || $perm{'usc'})) {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
  	    $request->print(&scantron_upload_scantron_data_save($request,$symb));
- 	} elsif ($command eq 'scantron_download' &&
-		 &Apache::lonnet::allowed('usc',$env{'request.course.id'})) {
+ 	} elsif ($command eq 'scantron_download' && ($perm{'usc'} || $perm{'mgr'})) {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
  	    $request->print(&scantron_download_scantron_data($request,$symb));
+        } elsif ($command eq 'scantronupload_delete' &&
+                 (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) || $perm{'usc'})) {
+            &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
+            &scantron_upload_delete($request,$symb);
         } elsif ($command eq 'checksubmissions' && $perm{'vgr'}) {
             &startpage($request,$symb,[{href=>'', text=>'Grade/Manage/Review Bubblesheets'}],1,1);
             $request->print(&checkscantron_results($request,$symb));
         } elsif ($command eq 'downloadfilesselect' && $perm{'vgr'}) {
-            &startpage($request,$symb,[{href=>'', text=>'Select which submissions to download'}]);
+            my $js = &part_selector_js();
+            my $onload = "toggleParts('gradingMenu');";
+            &startpage($request,$symb,[{href=>'', text=>'Select which submissions to download'}],
+                       undef,undef,undef,undef,undef,$js,$onload);
             $request->print(&submit_options_download($request,$symb));
          } elsif ($command eq 'downloadfileslink' && $perm{'vgr'}) {
             &startpage($request,$symb,
    [{href=>&href_symb_cmd($symb,'downloadfilesselect'), text=>'Select which submissions to download'},
-    {href=>'', text=>'Download submitted files'}]);
+    {href=>'', text=>'Download submitted files'}],
+               undef,undef,undef,undef,undef,undef,undef,1);
             &submit_download_link($request,$symb);
 	} elsif ($command) {
             &startpage($request,$symb,[{href=>'', text=>'Access denied'}]);
@@ -11171,7 +11795,12 @@ Side Effects: None.
 =item  scantron_upload_scantron_data_save() : 
 
    Adds a provided bubble information data file to the course if user
-   has the correct privileges to do so. 
+   has the correct privileges to do so.
+
+= item scantron_upload_delete() :
+
+   Deletes a previously uploaded bubble information data file, if user
+   was the one who uploaded the file, and has the privileges to do so.
 
 =item  valid_file() :